| Welling to Bougival | 200.49 mi (322.66 km) |
| Welling to Bouguenais | 305.93 mi (492.34 km) |
| Welling to Boulogne-Billancourt | 204.38 mi (328.91 km) |
| Welling to Boulogne-sur-Mer | 82.64 mi (133.00 km) |
| Welling to Bourg-de-Peage | 498.25 mi (801.85 km) |
| Welling to Bourg-en-Bresse | 431.01 mi (693.65 km) |
| Welling to Bourg-la-Reine | 209.33 mi (336.88 km) |
| Welling to Bourg-les-Valence | 500.74 mi (805.86 km) |
| Welling to Bourges | 319.34 mi (513.92 km) |
| Welling to Bourgoin-Jallieu | 469.32 mi (755.30 km) |
| Welling to Bressuire | 320.31 mi (515.49 km) |
| Welling to Brest | 294.57 mi (474.07 km) |
| Welling to Bretigny-sur-Orge | 219.57 mi (353.36 km) |
| Welling to Breuillet | 219.85 mi (353.81 km) |
| Welling to Briancon | 543.62 mi (874.87 km) |
